CEN/TC 322/WG 1 - Iron and steel production

This document applies for plant (containing machinery and equipment) used in the process of continuous casting of liquid steel (hereafter referred to as continuous casting machine, CCM) as defined in 3.1.
This document deals with all significant hazards, hazardous situations and events relevant to machinery and equipment for the continuous casting of steel, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4).
This document specifies the safety requirements to be met during design, assembly, transport, commissioning, operation, maintenance (as described in Clause 5) and decommissioning of the equipment.
This document assumes that the machinery and equipment of the plant is operated and maintained by adequately trained and competent personnel (see 7.5). Manual intervention for setting, adjustment and maintenance is accepted as part of the intended use of the plant.
This document assumes that the machinery is used with adequate workstation lighting conforming to EN 12464 1.
National regulations regarding lighting should be considered and could differ from requirements of EN 12464 1.
This document applies to:
—   CCM for the transformation of molten liquid steel into solid products in sections (e.g. square, rectangular, beam blank, circular);
—   CCM's from the point where overhead cranes or other transport systems deposit ladles to CCM (e.g. in a ladle turret, ladle car or ladle stand);
—   via casting process and solidification process;
—   via cutting and marking equipment;
—   thru the run-out-area where the cut product is finished, collected and removed from that area.
This document does not cover safety requirements for:
—   horizontal-CCM for steel;
—   auxiliary plants (auxiliary plants that are outside of the limits of the CCM);
—   ladles and ladle transport;
—   cranes;
—   winches and hoists;
—   conveyors or handling systems;
—   workshop equipment (mould and segment shop, tundish workshop);
—   gas burners, e.g. as a part of pre-heating stations.
This document can be used in case of modernization for the parts to be modernized.
This document is not applicable to CCM's manufactured before the date of its publication.

This European Standard applies for steel converter and its associated equipment (hereinafter referred to as converter plant) used in the process of carbon or stainless steel making as defined in 3.1 and illustrated in Annex B.
This European Standard deals with significant hazards, hazardous situations and events relevant to the converter plant. It covers the intended use and foreseeable misuse.
This European Standard specifies the safety requirements to be met during transport, assembly, commissioning, operation, maintenance (as described in Clause 5) and decommissioning/disassembly of the equipment.
This European Standard applies to:
Steel converter and its associated equipment for the oxygen steelmaking process
-   from hot metal/liquid steel and scrap charging;
-   via oxygen refining and stirring;
-   temperature measurement and sampling equipment;
-   up to tapping including slag retaining device;
-   cooling systems;
-   maintenance devices (e.g. relining device, tap hole repair device);
-   process related interfaces/interactions (e.g. according to design, controls) to
-   media,
-   primary and secondary gas cleaning plant,
-   material feeding systems and ladle alloying systems,
-   transfer cars for steel ladle and slag pot, and
-   charging/tapping equipment, e.g. crane, scrap chute, ladles and slag pots.
This European Standard does not cover safety requirements for:
-   usage of process media other than oxygen, nitrogen, argon and compressed air;
-   primary and secondary gas cleaning plants;
-   measuring devices with radioactive sources;
-   material feeding systems and ladle alloying systems;
-   transfer cars for steel ladle and slag pot;
-   charging/tapping and de-slagging equipment, e.g. crane, scrap chutes, ladles and slag pots;
-   auxiliary winches and hoists.
NOTE 1   For variations of converter process where other gases and media, e.g. hydrocarbons, fuels, steam, etc. are used, additional safety measures have to be considered which are not covered in this safety standard
This European Standard is not applicable to converter plant, manufactured before the date of publication of this standard in the Official Journal (OJ).
NOTE 2   In case of revamping, this European Standard can be used as a guideline for the specific parts to be revamped.

This European Standard specifies the general safety requirements for electric arc furnaces (EAF) to melt steel not containing radioactive material.
This European Standard deals with all significant hazards, hazardous situations and events pertinent to EAF, when used as intended and under conditions foreseen by the manufacturer, but also includes foreseeable faults and malfunctions in case of misuse.
This European Standard specifies also criteria for the plant and equipment integrated in the production process.
This European Standard specifies the requirements to ensure the safety of persons which are to be met during the design, assembly, transport, commissioning, operation, maintenance and decommissioning of the equipment.
This European Standard assumes that installations are operated and maintained by adequately trained and competent personnel. Manual intervention for setting, adjustment and maintenance is accepted as part of the normal use of the equipment.
This European Standard covers the following equipment (see Annex B):
-   EAF with AC technology (alternating current);
-   EAF with DC technology (direct current);
-   scrap pre-heating technology;
-   associated equipment/devices according Annex B.
The following equipment is not covered by this European Standard:
-   induction furnace;
-   resistance-arc furnace;
-   electron beam furnace;
-   plasma furnace;
-   other electrical furnaces used in secondary steelmaking.
This European Standard does not specify safety requirements for the following equipment, which can be an integral or complementary part of the equipment covered by the Scope:
a)   cranes;
b)   scrap basket;
c)   transport car for scrap basket;
d)   elephant house (furnace encasing for environmental reasons);
e)   separate scrap drying equipment.

This European Standard specifies the general safety requirements for secondary steelmaking machinery and equipment (SSE) as defined in 3.1 to treat liquid steel.
This European Standard covers machinery and equipment involved in the treatment process of liquid steel under vacuum or atmospheric pressure.
This European Standard deals with all significant hazards, hazardous situations and events pertinent to SSE, when used as intended and under conditions foreseen by the manufacturer, but also includes foreseeable faults and malfunctions in case of misuse.
This European Standard specifies the requirements to ensure the safety of persons which are to be met during the design, assembly, transport, commissioning, operation, maintenance and decommissioning of the equipment.
This European Standard assumes that SSE are operated and maintained by adequately trained and competent personnel. Manual intervention for setting, adjustment and maintenance is accepted as part of the normal use of the equipment.
NOTE 1   Annex B shows examples of SSE.
The following equipment is not covered by the scope of this European Standard:
   cranes;
   fork lift trucks or other transporting equipment;
   ladles;
   equipment for relining and preheating in the relining area;
   burners according to EN 746-2;
   dust and fume exhaust systems.
NOTE 2   Significant hazards and hazardous situations due to transporting/positioning of heavy components, e. g., by cranes (e. g., ladles, vessels, covers) are considered in this standard (see 5.2.3).
This European Standard is not applicable to SSE manufactured before the date of publication of this standard in the Official Journal.

8. Scope
This document applies for new steel converter and its associated equipment (hereinafter referred to as converter plant) used in the process of carbon or stainless steel making as defined in 3.1 and illustrated in Annex B.
This document deals with significant hazards, hazardous situations and events relevant to the converter plant. It covers the intended use and foreseeable misuse.
This document specifies the safety requirements to be met during design, transport, setting up/installation, assembly, commissioning, operation, maintenance (as described in Clause 5) and decommissioning/dis¬assembly of the equipment.
NOTE 1   Assembly does not include erection because national regulations, e.g., national civil engineering laws and regulations or occupational health and safety regulations have to be considered.
This document applies to:
Steel converter and its associated equipment (see Annex B, Figure B.1) for the oxygen steelmaking process
   from charging hot metal/liquid steel and scrap;
   via oxygen refining and stirring;
   temperature measurement and sampling equipment;
   up to tapping including slag retaining device;
   cooling systems;
   maintenance devices (e.g., relining device, tap hole repair device, device for cleaning the converter mouth);
   process related interfaces/interactions (e.g., according to design, controls) to
o   process media,
o   primary and secondary gas cleaning plant,
o   material feeding systems and ladle alloying systems,
o   transfer cars for steel ladle and slag pot, and
o   charging/tapping equipment, e.g., crane, scrap chute, ladles and slag pots.
This document does not cover safety requirements for:
   usage of process media other than oxygen, nitrogen, argon and compressed air;
   primary and secondary gas cleaning plants;
   measuring devices with radioactive sources;
   material feeding systems and ladle alloying systems;
   transfer cars for steel ladle and slag pot;
   charging/tapping and de-slagging equipment, e.g., crane, scrap chutes, ladles and slag pots;
   auxiliary winches and hoists.
NOTE 2   For variations of converter process where other gases and process media, e.g., hydrocarbons, fuels, steam, etc. are used, additional safety measures have to be considered which are not covered in this safety standard.
NOTE 3   In case of revamping, this document can be used as a guideline for the specific parts to be revamped.

ISO 13578:2017 specifies the general safety requirements for electric arc furnaces (EAF) to melt steel not containing radioactive material.
NOTE Radioactive material is considered to be detected in front of the steel plant entrance.
ISO 13578:2017 deals with significant hazards, hazardous situations and events as listed in Table 1 pertinent to EAF, when used as intended and under conditions foreseen by the manufacturer, and also includes foreseeable faults and malfunctions in case of misuse.
ISO 13578:2017 also specifies criteria for the plant and equipment integrated in the production process.
ISO 13578:2017 specifies the requirements to be followed during design to ensure the safety of persons, which are to be met during transport, assembly, commissioning, operation, maintenance and decommissioning of the equipment.
ISO 13578:2017 assumes that installations are operated and maintained by adequately trained personnel. Manual intervention for setting, adjustment and maintenance is accepted as part of the normal use of the equipment.
ISO 13578:2017 covers the following equipment (see Annex B, Tables B.1 and B.2, and Annex C, Figures C.1 and C.2):
- EAF with alternating current (AC) technology;
- EAF with direct current (DC) technology;
- scrap preheating technology;
- associated equipment/devices (e.g. inert gas stirring, carbon and oxygen injection systems).
The following equipment is not covered by ISO 13578:2017:
- induction furnace;
- resistance-arc furnace (e.g. submerged arc furnace);
- electron beam furnace;
- plasma furnace;
- other electrical furnaces used in secondary steelmaking, e.g. ladle furnace.
ISO 13578:2017 does not specify safety requirements for the following equipment, which can be an integral or complementary part of the equipment covered by the scope:
- cranes;
- shell lifting cross beam;
- scrap basket, steel ladle and slag pot;
- transport cars for scrap baskets, steel ladles and slag pots;
- dedusting system;
- "dog house" and "elephant house" (furnace enclosures for environmental reasons);
- alloying system;
- separate scrap drying equipment;
- furnace transformer and high-voltage system;
- robots/manipulators (e.g. for temperature measurement and sampling).

This European Standard specifies the general safety requirements for electric arc furnaces (EAF) to melt steel not containing radioactive material.
This European Standard deals with all significant hazards, hazardous situations and events pertinent to EAF, when used as intended and under conditions foreseen by the manufacturer, but also includes foreseeable faults and malfunctions in case of misuse.
This European Standard specifies also criteria for the plant and equipment integrated in the production process.
This European Standard specifies the requirements to ensure the safety of persons which are to be met during the design, assembly, transport, commissioning, operation, maintenance and decommissioning of the equipment.
This European Standard assumes that installations are operated and maintained by adequately trained and competent personnel. Manual intervention for setting, adjustment and maintenance is accepted as part of the normal use of the equipment.
This European Standard covers the following equipment (see Annex B):
   EAF with AC technology (alternating current);
   EAF with DC technology (direct current);
   scrap pre-heating technology;
   associated equipment/devices according Annex B.
The following equipment is not covered by this European Standard:
   induction furnace;
   resistance-arc furnace;
   electron beam furnace;
   plasma furnace;
   other electrical furnaces used in secondary steelmaking.
This European Standard does not specify safety requirements for the following equipment, which can be an integral or complementary part of the equipment covered by the Scope:
a)   cranes;
b)   scrap basket;
c)   transport car for scrap basket;
d)   elephant house (furnace encasing for environmental reasons);
e)   separate scrap drying equipment.

This European Standard applies for plant (containing machinery and equipment) used in the process of continuous casting of liquid steel (hereafter referred to as continuous casting machine, CCM) as defined in 3.1 and illustrated in Annex B.
This European Standard deals with all significant hazards, hazardous situations and events relevant to machinery and equipment for the continuous casting of steel, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4).
This European Standard specifies the safety requirements to be met during design, assembly, transport, commissioning, operation, maintenance (as described in Clause 5) and decommissioning of the equipment.
This European Standard assumes that the machinery and equipment of the plant is operated and maintained by adequately trained and competent personnel (see 7.4). Manual intervention for setting, adjustment and maintenance is accepted as part of the intended use of the plant.
This European Standard assumes that the machinery is used with adequate workplace lighting conforming to EN 12464-1.
NOTE   Local regulations regarding lighting should be considered and could differ from requirements of EN 12464-1.
This European Standard applies to:
CCM for the transformation of molten liquid steel into solid products in sections (e.g. square, rectangular, beam blank, circular)
   from the point where overhead cranes or other transport systems deposit ladles (e.g. in a ladle turret or ladle car);
   via casting process;
   via cutting equipment;
   to the run-out-area where the cut product is collected.
This European Standard does not cover safety requirements for:
   auxiliary plants (e.g. water treatment, refractory handling);
   ladles;
   cranes;
                winches and hoists;
   conveyors or handling systems.
This European Standard is not applicable to CCM, manufactured before the date of publication of this standard by CEN.

This European Standard specifies the general safety requirements for electric arc furnaces (EAF) to melt steel not containing radioactive material.
This European Standard deals with all significant hazards, hazardous situations and events pertinent to EAF, when used as intended and under conditions foreseen by the manufacturer, but also includes foreseeable faults and malfunctions in case of misuse.
This European Standard specifies also criteria for the plant and equipment integrated in the production process.
This European Standard specifies the requirements to ensure the safety of persons which are to be met during the design, assembly, transport, commissioning, operation, maintenance and decommissioning of the equipment.
This European Standard assumes that installations are operated and maintained by adequately trained and competent personnel. Manual intervention for setting, adjustment and maintenance is accepted as part of the normal use of the equipment.
This European Standard covers the following equipment (see Annex B):
   EAF with AC technology (alternating current);
   EAF with DC technology (direct current);
   scrap pre-heating technology;
   associated equipment/devices according Annex B.
The following equipment is not covered by this European Standard:
   induction furnace;
   resistance-arc furnace;
   electron beam furnace;
   plasma furnace;
   other electrical furnaces used in secondary steelmaking.
This European Standard does not specify safety requirements for the following equipment, which can be an integral or complementary part of the equipment covered by the Scope:
a)   cranes;
b)   scrap basket;
c)   transport car for scrap basket;
d)   elephant house (furnace encasing for environmental reasons);
e)   separate scrap drying equipment.